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Any constituent part of the cytoplasm, all of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. Organized structure of distinctive morphology and function, not bounded by a lipid bilayer membrane and occurring within the cell. Includes ribosomes, the cytoskeleton and chromosomes. Any constituent part of a contractile fiber, a fiber composed of actin, myosin, and associated proteins, found in cells of smooth or striated muscle. Fibers, composed of actin, myosin, and associated proteins, found in cells of smooth or striated muscle. Organized structure of distinctive morphology and function, not bounded by a lipid bilayer membrane. Includes ribosomes, the cytoskeleton and chromosomes. Organized structure of distinctive morphology and function, occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton. Excludes the plasma membrane. Any constituent part of the living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm. The contractile element of skeletal and cardiac muscle; a long, highly organized bundle of actin, myosin, and other proteins that contracts by a sliding filament mechanism. The contractile fiber of smooth muscle cells.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: contractile fiber
Acc: GO:0043292
Aspect: Cellular Component
Desc: Fibers, composed of actin, myosin, and associated proteins, found in cells of smooth or striated muscle.
Synonyms:
  • contractile fibre
  • muscle fiber
  • muscle fibre
Proteins in PDR annotated with:
   This term: 46 [Search]
   Term or descendants: 366 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0043292 - contractile fiber (interactive image map)
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